- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4409 - Non-condensed pyridinesHydrogenated derivatives thereof only substituted in position 4, e.g. isoniazid, iproniazid
Patent holdings for IPC class A61K 31/4409
Total number of patents in this class: 1056
10-year publication summary
101
|
102
|
69
|
88
|
86
|
97
|
75
|
70
|
54
|
19
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Lenz Therapeutics Operations, Inc. | 38 |
20 |
RedHill Biopharma Ltd. | 97 |
17 |
Massachusetts Institute of Technology | 9984 |
14 |
Allergan, Inc. | 2362 |
13 |
Insmed Incorporated | 232 |
13 |
Bristol-myers Squibb Company | 4896 |
11 |
Theravance Biopharma R&D IP, LLC | 462 |
11 |
The General Hospital Corporation | 4700 |
9 |
Purdue Research Foundation | 3557 |
9 |
Children's Medical Center Corporation | 1839 |
9 |
Enanta Pharmaceuticals, Inc. | 428 |
9 |
The Penn State Research Foundation | 1498 |
9 |
University of Rochester | 1304 |
9 |
The Regents of the University of California | 19784 |
8 |
Centre National de La Recherche Scientifique | 10284 |
8 |
City of Hope | 977 |
8 |
The Doshisha | 224 |
8 |
Senju Pharmaceutical Co., Ltd. | 229 |
8 |
The Trustees of Columbia University in the City of New York | 3556 |
7 |
Takeda Pharmaceutical Company Limited | 2703 |
6 |
Other owners | 850 |